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GPT OSS 20B

At a glance

OpenAI's compact open-weights model for efficient inference.

131K ctx$0.03/$0.13 per M
Agent Demos
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AI Output
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Benchmarks
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Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Agentic
Terminal Tasks3.4%
Specs
131K
Context
66K
Max output
Aug 2025
Released
Capabilities
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.03/M tokens
Output$0.13/M tokens
Cache read$0.03/M tokens
Chat with GPT OSS 20BGo to model